Telephone-circuit.



No. 731,239. PATENTED JUNE 16, 1903.

E. W. SORG. TELEPHONE CIRCUIT.

APPLICATION FILED AUG. 14, 1902.

N0 MODEL.

//jzty J ZMMJ IIZ MW UNITED STATES Patented June 16, 1903.

PATENT ()FFICE.

TELEPHONE-CIRCUIT.

QIECIFICATION forming part of Letters Patent No. 731,239, dated June 16,1903.

Application filedAngnst 14, 1902. Serial No. 119,657. (No model.)

To all whom it may concern:

Be it known that I, FREDRIOH WILLIAM SORG, a citizen of the UnitedStates, residing at Englewood, in the county of Bergen and State of NewJersey, have invented certain new and useful Improvements in Telephone-Oircuits, of which the followingis a specification, reference being hadto the drawings accompanying and forminga part of the same.

It is customary in running telephone or other circuits of a like natureto transpose the line-wires, as it is called, at frequent intervals toprevent or'destroy the detrimental effects of induction between theseveral lines. This, as is well known, consists in transferring the wireconducting the circuit from one line of supports or insulators toanother line of supports or insulators, usually in the same horizontalplane, so that the relative position of diiferent portions of two ormore circuits on the same line is constantly varied.

To provide a simple, effective, and economical means of running. andtransposing a line by a single operation, I have devised the followingplan. I string a wire on a given line of insulators and at the desiredpoints where the wire is brought to the insulator it is merely loopedaround or similarly secured to the same and then bent back upon itself,and at the point of union both portions of the wire are secured togetherby means of an open sleeve or connector, which for greater security isthen given a twist to partially or completely close it. The wire is thencarried to the next insulator and a loop formed in it in the samemanner, which loop is secured to the insulator and the wire then carriedon to the next pole. Considering each section of line that is supportedby a given line of insulators, it will be seen that its ends aresupported by terminal insulators as in the present system, but that itscircuit is transposed to another section by its own unbroken wire.

This improvement is illustrated in the accompanying drawings, in whichFigure 1 illustrates in perspective the general arrangement of circuits,and Fig. 2 is an enlarged view in perspective illustrating my improvedmeans of transposing the circuits, and Fig. 3 is a perspective View ofthe open sleeve or connector.

Referring to Fig. 2, A is the cross-arm of a telephone or similar pole,and B 0 two of any number of insulators that may be secured to the arm.These insulators are or may be of the usual and'Well-known type ofdouble insulators and are conveniently illustrated as provided with twogrooves for the reception or attachment of line-wires. In the figure nowunder consideration one wire D is coming to the insulator B. It is woundor secured in one groove of the same, after which it is brought backupon itself, and the two parts secured by the sleeve or connector E bylaying the two portions of wire into the groove F and then giving thesleeve one or more twists by means of a suitable tool. It is thendesirable to make one or more turns of the wire emanating from thesleeve around the other or to twist the loop before attaching it to the.insulator. A second loop is then formed in the wire at asuitabledistance beyond the sleeve to enable the transposition of the circuit toinsulator O to be effected. This second loop is formed precisely as thefirst and is secured to or passedaround one of the grooves in insulatorO, and the wire is then stretched to the next pole. Another Wire G islooped and secured to the remaining grooves of the insulators andtransposed in the same manner.

It will be seen that when a transposition of two wires which have beenrunning parallel to each other is made the wires after leaving the poleupon which the transposition is made will be crossed and that there willbe danger of short-circuiting through one wire sagging down upon theother. transposition,however, the wires would naturally run parallel toeach other again. In running a line, therefore, it is my practice, inorder to obviate crossed wires, to pass the coil or running board of oneline across the other after each intermediate transposition. In this waythe two lines are kept parallel with each other between all the polesand crossed wires done away with.

I have shown in illustration of my invention a simple and convenientform of connector; but this may be variedto almost any extent, it beingonly essential that it shall preserve a mechanical union between the twoportions of the wire to enable it to remain At the next' supported fromone insulator and transposed to the part of the circuit suspendedfromanother insulator; nor is my invention limited to any special method ofsecuring the wire or loops therein to the supports or insulators, asthis may be Varied as desired.

What I claim'is 1. In a telephone or similar line circuit, thecombination with insulators arranged in groups in lines transverse tothe circuit, of a wire or conductor supported in sections by theinsulators, the Wire or conductor at the end of each section beingbent'back and secured upon itself to form a loop engaging an insulator,the bent-back portion being carried across to another insulator in thesame group and again bent and secured to form a loop extending in theopposite direction from the first and engaging the second insulator, asset forth.

2. In a telephone or similar line circuit, the combination withinsulators arranged in groups in lines transverse to the circuit, of awire or conductor supported in sections by insulators, the wire orconductor at the end of each section being bent back and secured uponitself to form a loop engaging an insulator, the bent-back portion beingcarried across to another insulator in the same group and again bent andsecured upon itself to form a loop extending in the opposite directionfrom the first and engaging the second insulator, and means for securingthe bentback portions of the wire or conductor, as set forth.

3. In a telephone or similar line circuit, the combination with acontinuous line-wire supported in sections on different lines ofinsulators, connectors uniting the wire of the suspended sections Withportions of the wire between the terminal insulators of contiguoussections, to form loops, the two port-ions of the wire being coiled oneon the other adjacent to the connectors, as set forth.

FREDRICI-I WILLIAM SORG.

Witnesses:

FRANK L. STANFORD, JOHN C. KERR.

